body{
    max-width: 546px;
    margin: 0 auto;
    width: 100%;
}
ul{
    padding: 0;
    margin: 0;
}
ul > li {
    margin-bottom: 5px;
}

.d-flex{
    display: flex;
}

.align-items-center{
    align-items: center;
}

.flex-column{
    flex-direction: column;
}

.justify-content-between{
    justify-content: space-between;
}

.justify-content-center{
    justify-content: center;
}


.bg-weixin::before{
    content: '';
    display: block;
    width: 100%;
    height: 180px;
    background: linear-gradient(90deg, #00AA72 0%, #24B77F 49.92%, #6cd990 100.88%);
}

.bg-qq::before{
    content: '';
    display: block;
    width: 100%;
    height: 180px;
    background: linear-gradient(90deg, #f2c43f 0%, #f0cc60 49.92%, #f2d580 100.88%);
}

.bg-ali::before{
    content: '';
    display: block;
    width: 100%;
    height: 180px;
    background: linear-gradient(90deg, #1677ff 0%, #3d88f1 49.92%, #84b3f4 100.88%);
}

.payment-logo{
    height: 120px;
    align-items: center;
    position: sticky;
    padding: 7px 18px;
    margin-top: -170px;
    margin-bottom: 15px;
    z-index: 0;
}
.payment-logo-wxwap{
    height: 80px;
}
.payment-logo img{
    width: 112px;
    filter: drop-shadow(2px 4px 6px rgba(233,86,42,.3));
}
.payment-logo-wxwap img{
    width: 80px;
}
.payment-logo img + span{
    color: #fff;
    font-size: 30px;
    font-weight: 500;
    letter-spacing: 4px;
    margin-top: 30px;
    float: right;
}
.payment-logo-wxwap img + span{
    margin-top: 13px;
    font-size: 26px;
}
.payment-content{
    padding: 25px 20px;
    position: sticky;
    margin-top: -12px;
    background: #fff;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    z-index: 99;
}
.alert-pro {
    border: none;
    border-left: 2px solid transparent;
    color: #526484;
    line-height: 1.5;
    border-radius: 0;
    padding-left: 20px;
    padding-bottom: 6px;
    border-radius: 4px;
}

.bg-weixin ~ .payment-content .alert-pro.alert-light {
    background-color: #80d9a036;
    border-color: #03ab73;
}

.alert-pro.alert-light {
    background-color: #edf0ff;
    border-color: #4d69fa;
}
.nav.nav-group{
    width: 100%;
    display: flex;
    padding: .579rem;
    border-radius: .475rem;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border: 1px solid #F1F1F4;
    border-bottom: none;
}
.nav.nav-group li{
    width: 50%;
    margin-bottom: 0;
    text-align: center;
    border-radius: .475rem;
    cursor: pointer;
}
.nav.nav-group li>a:focus, 
.nav.nav-group li>a:hover {
    text-decoration: none;
    background: none;
    border-radius: .475rem;
}
.nav.nav-group li a{
    color: #78829D;
    letter-spacing: 3px;
}
.nav.nav-group li.active{
    background: #F1F1F4;
    border-radius: .475rem;
}
.nav.nav-group li.active a{
    color: #252F4A;
    font-weight: 600;
}

.icon-qrcode{
    margin-right: 25px;
}

.icon-qrcode::before {
    content: '';
    top: 11px;
    display: inline-block;
    position: absolute;
    background-image: url();
    background-size: 100%;
    width: 16px;
    height: 16px;
}

.icon-download{
    margin-right: 25px;
}

.icon-download::before {
    content: '';
    top: 11px;
    display: inline-block;
    position: absolute;
    background-image: url();
    background-size: 100%;
    width: 16px;
    height: 16px;
}

.list-group .list-group-item {
    border: 1px solid #F1F1F4;
}

.list-group .list-group-item:first-child {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}
.list-group .list-group-item a{
    word-break: break-all;
}

.qr-title {
    font-size: 1.65rem;
    color: #252F4A;
    margin-bottom: 0rem;
    letter-spacing: 1px;
}

.qr-image {
    padding: 15px;
}

.qr-image canvas {
    padding: .8rem;
    border: 1px solid #F1F1F4;
}

.text-center {
    text-align: center;
}

.operate .btn{
    background-color: #F9F9F9;
    border-color: #F9F9F9;
    color:#4B5675;
}

.nk-activity{
    list-style: none;
}
.nk-activity-item{
    padding-top: 15px;
    padding-bottom: 5px;
    border-bottom: 1px solid #e5e9f2;
}

.btn-block+.btn-block {
    margin-top: 1rem;
}

.content-info {
    width: 100%;
}

.content-footer{
    position: fixed;
    left: 0;
    right: 0;
    bottom: 22px;
    width: 100%;
    max-width: 546px;
    margin: 0 auto;
    background: #fff;
    padding: 15px 20px;
}